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ZMAQ/X Pneumatic Thin Film Three way Confluence/Diverter Control Valve
Caliber range: DN25-300mm Pressure range: PN1.6-6.4MPa Applicable temperature: -40~315 ℃ Product application: Pneumatic thin film three-way regulating
Product details
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ZMAQ/ZMAX Pneumatic Thin Film Three way Regulating Valve
1、 Product Details
ZMAQPneumatic thin film three-way merging regulating valve
ZMAXPneumatic thin film three-way diversion control valve
The ZMAQ/ZMAX pneumatic thin film three-way regulating valve has two modes of operation: merging and diverging. The valve core structure adopts a cylindrical thin-walled window and uses a side guided three-way valve. In some cases, it can replace two two-way valves and one three-way pipe and is widely used. It is commonly used for two-phase regulation of heat exchangers and can also be used for simple proportioning regulation.
The pneumatic diaphragm three-way regulating valve adopts a cylindrical thin-walled window shaped valve core guidance, which is different from the liner guidance of the plunger shaped valve core. Equipped with multiple spring actuators, it has the advantages of simple structure, light weight, small volume, and easy disassembly and assembly.
2、 Main component materials
Valve body and valve cover
HT200、WCB、ZGlCr18Ni9Ti
Valve core and seat
1Cr18Ni9T, Si Ti Lai alloy overlay welding
Soft seal valve core
Reinforced polytetrafluoroethylene
filler
Polytetrafluoroethylene, flexible graphite, stainless steel corrugated pipe
shim
Rubber asbestos board, stainless steel gasket
Membrane cover
A3
corrugated diaphragm
5860 rubber clip 480D nylon 66 mesh fabric
spring
60Si2Mn
Valve stem, push rod
2Cr13, 1Cr18Ni9Ti
bush
2Cr
3、 Main technical parameters
Valve seat diameter mm
confluence
25
32
40
50
65
80
100
125
150
200
250
300
shunt
25
32
40
50
65
80
100
125
150
200
250
300
Rated flow rate
Coefficient kvconfluence
8.5
13
21
34
52
85
125
210
340
535
800
1260
shunt
25
32
40
50
65
85
125
210
340
535
800
1260
Nominal pressure MPa
1.6 4.0 6.4
Travel distance mm
16
25
40
60
100
Traffic characteristics
straight line
Medium temperature ℃
-20-200, -40 to+250 (normal temperature type), -40 to 315 (medium temperature type)
Flange size
Cast iron flange size according to JB79-59, cast steel flange size according to JB79-59
flange type
The flange sealing surface type is in accordance with JB77-59, with cast steel flanges being smooth and cast steel flanges being concave
body material
HT200,ZG230-450、ZG1Cr18Ni9
Valve core material
1Cr18Ni9
Upper valve cover type
Ordinary type (constant temperature type), hot plate type (medium temperature type)
rangeability
30:1
Air source connector
M16×1.5
4、 Main external dimensions
Nominal diameter (mm)
25
32
40
50
65
80
100
125
150
200
250
300
L(mm)
PN1.6MPa
185
200
220
250
275
300
350
410
450
550
635
720
PN4.0MPa
190
210
230
255
285
310
355
425
460
560
660
740
PN6.4MPa
200
210
235
265
295
320
370
440
475
570
670
770
H1(mm)
PN1.6MPa
140
150
160
180
200
220
220
256
278
322
540
612
PN4.0MPa
150
160
170
190
220
232
256
295
313
372
540
612
PN6.4MPa
160
170
180
200
220
242
266
300
318
382
540
612
H(mm)
Common
435
441
465
480
584
585
575
762
772
792
1203
1234
Heat sink type
565
571
595
610
631
748
738
961
971
989
1525
1554
D(mm)
285
360
470
Weight (KG)
72
75
81
88
135
158
190
262
322
450
550
600
Three Long Ordering Notice
1. Product model and name 2. Nominal diameter (DN) 3. Nominal pressure (PN) 4. Rated flow coefficient KV 5. Material of valve body and internal components 6. Fixed flow characteristics 7. Applicable temperature and medium 8. Operating mode of the whole machine (electric opening, electric closing) and input signal 9. Whether accessories (operator, servo amplifier, etc.) are included 10. Other special requirements
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